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MatroZZZ [7]
3 years ago
13

Jake earned twice as much as Brendan mowing lawns. If Jake earned $36, how much did Brendan earn?

Mathematics
1 answer:
aniked [119]3 years ago
7 0

Answer:

$18

Step-by-step explanation:

Set up some equations:

J=36

B \times 2=J

Solve for B:

B = J / 2

Substitute 36 for J:

B= 36 / 2 = 18

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Katherine and Crystal do landscaping. They recently earned $1472 for a project. If Katherine earned $5 for every $3 earned by Cr
Degger [83]

Answer:

Katherine: 920

Crystal: 552

Step-by-step explanation:

The total amount earned by each is 1472

The ratio of the earnings is Katherine / Crustal = 5/3

The total number of shares = 5 + 3 = 8

So the proportion for Katherine

5/8 = x / 1472                Cross multiply

8x = 5 * 1472

8x = 7360

x = 7360/8

x = 920

And the proportion for Crystal is

3/8 = x / 1472                 Cross multiply

8x = 3 * 1472

8x = 4416

x = 4416 / 8

x =  552

4 0
3 years ago
What is the center of the circle that you can circumscribe about a triangle with vertices A(2, 6), B(2, 0), and C(10, 0)?
denis23 [38]
The three points A,B,C are all points on this circle.
Each point is then equal distance from the center, that distance being the radius of the circle.
Using the distance formula, we can find the center of the circle  (x,y):
d^2 = (x-x_0)^2 + (y-y_0)^2
Plugging in points A and B into distance formula, then setting them equal to each other gives:
(x-2)^2+(y-6)^2 = (x-2)^2 + y^2
Right away we can cancel out the x terms leaving:
(y-6)^2 = y^2
Expand Left side and Solve for y:
y^2 -12y +36 = y^2
y = 3
Plug in points B and C as before:
(x-2)^2 + y^2 = (x-10)^2 + y^2
Here we can cancel the y-terms.
Expand and solve for x:
x^2 -4x+4 = x^2 -20x+100
16x = 96
x = 6
Therefore the center of the circle is the point (6,3)
6 0
3 years ago
8 2 − 6(7 − 4) + 2 simplified
Agata [3.3K]

82 - 6(7 - 4) + 2 \\  82 - 6(3) + 2 \\ 82 - 18 + 2 \\ 64 + 2 \\ 66

<h3><em>i </em><em>hope</em><em> it</em><em> helps</em><em> u</em><em> ☠️</em></h3>
4 0
3 years ago
Read 2 more answers
QUESTION 9 OF 11
ivanzaharov [21]

Answer:

10

Step-by-step explanation:

sadasdasdasd

6 0
3 years ago
Which expressions are equivalent to the expression 4a – 6b + 3c? a + 3(a − 2b + 3c) 4a + 3(2b + c) 2(2a − 3b + c) + c 2(2a − 3b)
Dvinal [7]
It is D because (2)(2)=4 and (2)(3)= 6

6 0
3 years ago
Read 2 more answers
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